///
// * jdbm LICENSE v1.00
// *
// * Redistribution and use of this software and associated documentation
// * ("Software"), with or without modification, are permitted provided
// * that the following conditions are met:
// *
// * 1. Redistributions of source code must retain copyright
// *    statements and notices.  Redistributions must also contain a
// *    copy of this document.
// *
// * 2. Redistributions in binary form must reproduce the
// *    above copyright notice, this list of conditions and the
// *    following disclaimer in the documentation and/or other
// *    materials provided with the distribution.
// *
// * 3. The name "jdbm" must not be used to endorse or promote
// *    products derived from this Software without prior written
// *    permission of Cees de Groot.  For written permission,
// *    please contact cg@cdegroot.com.
// *
// * 4. Products derived from this Software may not be called "jdbm"
// *    nor may "jdbm" appear in their names without prior written
// *    permission of Cees de Groot. 
// *
// * 5. Due credit should be given to the jdbm Project
// *    (http://jdbm.sourceforge.net/).
// *
// * THIS SOFTWARE IS PROVIDED BY THE ndbm PROJECT AND CONTRIBUTORS
// * ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT
// * NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
// * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL
// * CEES DE GROOT OR ANY CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
// * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
// * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
// * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
// * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
// * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
// * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
// * OF THE POSSIBILITY OF SUCH DAMAGE.
// *
// * Copyright 2000 (C) Cees de Groot. All Rights Reserved.
// * Contributions are Copyright (C) 2000 by their associated contributors.
// *
// * $Id: Magic.java,v 1.1 2000/05/06 00:00:31 boisvert Exp $
// 

//*************************************************************************
//**  Included in JDMB 1.0 port to SharpDBM;  11/2013 Cyrus Neah cneah@codingreal.com
//**  SharpDBM is an independent reimplementation of the JDBM 1.0 software library in C#  
//*************************************************************************

using SharpDBM.helper;

namespace SharpDBM.recman
{

///
// *  This interface contains magic cookies.
// 
	public static class Magic
	{
	/// Magic cookie at start of file 

		public  const short FILE_HEADER = 0x1350;

	/// Magic for blocks. They're offset by the block type magic codes. 

        public  const short BLOCK = 0x1351;

	/// Magics for blocks in certain lists. Offset by baseBlockMagic 

        public  const short FREE_PAGE = 0;

        public  const short USED_PAGE = 1;

        public  const short TRANSLATION_PAGE = 2;

        public  const short FREELOGIDS_PAGE = 3;

        public  const short FREEPHYSIDS_PAGE = 4;

	/// Number of lists in a file 

        public  const short NLISTS = 5;

//    *
//     *  Maximum number of blocks in a file, leaving room for a 16 bit
//     *  offset encoded within a long.
//     

        public  const long MAX_BLOCKS = 0x7FFFFFFFFFFFL;

	/// Magic for transaction file 

        public  const short LOGFILE_HEADER = 0x1360;

	/// Size of an externalized byte 

        public  const short SZ_BYTE = 1;
	/// Size of an externalized short 

        public  const short SZ_SHORT = 2;
	/// Size of an externalized int 

        public  const short SZ_INT = 4;
	/// Size of an externalized long 

        public  const short SZ_LONG = 8;
	}

}